JPH0734253Y2 - Ceiling embedded air conditioner - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-embedded air conditioner, and more particularly, to an improvement of a surface panel temporary hanging structure.

[0002]

2. Description of the Related Art Conventionally, ceiling-embedded air conditioners have been
Consists of an air conditioner body provided in an opening formed in the ceiling and provided with a blower fan and a heat exchanger, and a surface panel attached to the air conditioner body so as to cover the lower side thereof. Has been done. The outer surface of the front panel is formed by a frame member, and a suction grill and a blowout grill are attached to the frame member. And when installing this kind of air conditioner on the ceiling, first, only the air conditioner main body is attached to the structure inside the ceiling by bolts or the like, and the surface panel is attached to the lower side of this air conditioner main body. . When installing this surface panel,
In consideration of its workability, as shown in Japanese Utility Model Laid-Open No. 62-117428, a locking member is formed on the air conditioner body side, and the front panel can be locked to this locking member. A latch is provided so that the surface panel can be temporarily hung on the main body of the air conditioner during this mounting work. More specifically, FIG.
As shown in FIG. 16 and FIG. 16, the latch (a) is formed by bending a wire rod into a substantially U shape and forming a hook portion (b) at the tip thereof. ), (C) are openings (e) formed in the reinforcing member (d) of the main body panel,
It is inserted into (e) and is rotatably supported by the reinforcing member (d) of the front panel. Then, when the front panel is temporarily hung on the air conditioner main body (f), as shown in FIG. 15, the latch (a) is turned to an upright state, and the hook portion (b) is attached to the air conditioner main body. The front panel is temporarily hung by being locked to the locking portion (g) of (f), and the mounting portion (not shown) is connected by means such as screws.

[0003]

However, in the structure as described above, the base ends (c) and (c) of the latch (a) are located below the reinforcing member (d) as the latch (a) rotates. As a result, the base end portions (c) and (c) cannot be provided with other members, for example, a seal material and a dust removing filter, on the rotation locus of the base end portions (c) and (c). However, there is a problem in that the height of the air conditioner as a whole becomes large because the space of the air conditioner must be secured. Further, if the base end portions (c) and (c) of the latch (a) are simply inserted into the openings (e) and (e) of the reinforcing member (d), the latch (a)
As shown in FIG. 15, it is necessary to attach the metal fitting (h) after attaching the latch (a) to the reinforcing member (d), which leads to an increase in the number of parts. Not only that, but the installation work was complicated. Further, the front panel may be rotated in a horizontal plane due to the necessity of position adjustment, but the hook portion (b) of the latch (a) is engaged with the locking portion (g) of the air conditioner body (f). In the locked state, there was a limit to the range of rotation. That is, the front panel can be rotated only to the position where the hook portion (b) comes into contact with the vertical wall surface of the locking portion (g), and the degree of freedom in the attachment position of the front panel is reduced.

The present invention has been made in view of the above points, and has a simple structure, which makes it possible to reduce the thickness of an air conditioner and prevent the air conditioner from falling without increasing the number of parts. It is an object of the present invention to obtain a temporary mounting structure for a front panel that can improve the degree of freedom in the mounting position of the front panel.

[0005]

To achieve the above object, the present invention improves the shape of the latch member so that when the latch member is rotated, there is no portion protruding downward. did. Specifically, the invention according to claim 1 is arranged in the opening (2a) formed in the ceiling (2), and the blower fan (6) and the heat exchanger (7) are housed therein. Together with the lower part, an air inlet (12) and an air outlet (1
1) An air conditioner main body (3) having an opening, and a suction grill (8) and an air outlet which are attached to the lower side of the air conditioner main body (3) and are located below the air suction port (12). (11)
It is premised on a ceiling-embedded air conditioner consisting of a surface panel (4) with an outlet grill (9) located below. Then, the front panel (4) is provided with latch members (30), (31) for temporarily latching the air conditioner body (3) when it is attached to the air conditioner body (3). The members (30) and (31) are provided with hook portions (30c) and (31c) which are engaged with the air conditioner body (3) at the upper ends thereof, and the hook portions (30c) and (31c) are provided.
Horizontal engaging portions (30a), (31a) extending in the horizontal direction from the lower end of the assembly and assembled to the surface panel (4) are provided, and the horizontal engaging portions (30a), (31a) are used as rotation centers. It is configured to be rotatable with respect to the front panel (4).

According to a second aspect of the invention, the latch member (3
0) and (31) are attached to the reinforcing members (26) and (28) provided on the surface panel (4), and the horizontal engaging portions (30a) of the latch members (30) and (31). , (31
At one end of (a), retaining portions (30d), (31d) that come into contact with the side surfaces of the reinforcing members (26), (28) when assembled to the reinforcing members (26), (28) are formed. It was configured like this.

According to a third aspect of the invention, a latch member (3
0) and (31) are formed by bending a wire rod, and the tip surfaces of the hook portions (30c) and (31c) are attached to the air conditioner body (3).
It is configured to be brought into contact with and engaged with.

[0008]

The operation of the present invention having the above construction is as follows. First, in the invention according to claim 1, when the front panel (4) is attached to the air conditioner body (3), first, the hook portions (30c), (31) of the latch members (30), (31) are attached.
c) is engaged with the air conditioner body (3) to temporarily hang the front panel (4), and in this state, the front panel (4) is attached to the air conditioner body (3). Since the latch members (30) and (31) are assembled to the front panel (4) by the horizontal engaging portions (30a) and (31a) extending in the horizontal direction, the latch members (30) and (31) are rotated along with the rotation. Since there is no part that projects downward, this latch member (3
Other members such as seal materials can be arranged at positions close to 0) and (31), and the height of the air conditioner as a whole can be reduced.

According to the second aspect of the invention, the latch member (3
0) and (31) are reinforcing members (2) of the surface panel (4).
6) and (28), the retaining part (3
0d) and (31d) contact the side surfaces of the reinforcing members (26) and (28). As a result, the latch members (30), (3
1) will not accidentally fall out of the front panel (4).

According to the third aspect of the invention, when the position of the surface panel (4) is adjusted by rotating in the horizontal plane, the latch members (30) and (31) are adjusted while swinging. Then, the latch members (30) and (31) are engaged with the hook portion (3) while being engaged with the air conditioner body (3).
Since the front end surfaces of 0c) and (31) are in contact with the air conditioner body (3), the rotation of the surface panel (4) is not hindered, and the position adjustment area is enlarged.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, one embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 9 and 10, the ceiling-embedded air conditioner (1) according to the present embodiment is arranged in the step-down part of the ceiling (2), and has a main body case with an open bottom. -The air conditioner main body (3) in which the fan (6), the heat exchanger (7), etc. are arranged in the thing (5), and the lower side of the air conditioner main body (3) is closed, and the suction grill (8) and the surface panel (4) provided with an outlet grill (9) and the like.

The air conditioner main body (3) is provided with respect to a structure (not shown) located above the ceiling (2) so as to face the opening (2a) formed on the horizontal surface of the stepped-down portion of the ceiling (2). Supported by a support bolt. Further, a drain pan (10) is arranged below the heat exchanger (7) in the air conditioner body (3). Further, a downward air outlet (11) is formed on the front side (left side in FIG. 9) of the drain pan (10) so as to blow out the conditioned air downward, while the rear side of the drain pan (10) is formed. (Fig. 9
A suction port (12) for sucking indoor air into the main body (3) of the air conditioner is formed on the right side of. Further, in the body casing (5), a front outlet (14) opened to connect the duct (13) is formed on a front side wall of the main casing (5) close to the downward outlet (11). . The front outlet (14) communicates with the outlet (2b) formed in the vertical plane of the step-down portion via the duct (13). A front blowing grille (2c) is attached to the blowing opening (2b), and a shutter (2d) capable of blocking the flow of conditioned air is arranged on the upstream side thereof.

A fan (6) is disposed above the suction port (12) in the main casing (5), and an electric heater is provided downstream of the fan (6). (15), heat exchanger (7) and natural evaporation type humidifier (1
6) are arranged in order in the air flow direction. Incidentally, (17) in FIG. 9 is a switch box in which the control system parts of the air conditioner (1) are arranged.

A partition plate (18) for partitioning the suction side and the discharge side of the fan (6) is provided in the air conditioner body (3), and the lower end of this partition plate (18) is substantially A locking member (18a) having an L shape and having a rising portion integrally extending at a horizontal end thereof is provided. In the case of the present embodiment, the locking member (18a) is formed as a gutter-shaped portion integral with the partition plate (18), but it may be a separate structure or may be a partial structure. Good. Furthermore, the main body case
Fixing fittings (3a), (3a), ... For mounting the front panel (4) are provided at appropriate places on the bottom surface of the thing (5).

Next, the front panel (4) will be described. As shown in FIG. 11, the surface panel (4) corresponds to the rectangular frame member (20), the suction port (12) and the downward air outlet (11) on the air conditioner body (3) side, respectively. Suction grill (8) and blow-out grill (9) attached to the above positions, and these suction grill (8) and blow-out grill (9)
And a bottom plate (21) arranged below the drain pan (10).

The frame member (20) forms the outer shape of the front panel (4), and is composed of four front, rear, left and right first to fourth frame bodies (22) to (25). First frame (2
2) and the second frame (23) are made of aluminum, and as shown in FIGS. 12 and 13, the inner half of the upper surface is connected to the lower end of the main casing (5). The surfaces (22a) and (23a) are ceiling contact surfaces (22b) and (23b) whose outer halves contact the ceiling surface. Further, the first frame body (22) is arranged at the front end portion of the downward air outlet (11), and the lower surface (22c) thereof is curved upward toward the front side in the horizontal direction. At the same time, the surface is an uneven decorative surface. The second frame body (23) is arranged at the rear end portion of the suction port (12), and the lower surface (23c) thereof is curved upward toward the rear side in the horizontal direction, and The surface is an uneven decorative surface similar to the first frame (22). Left and right second and third frames (2
Reference numerals 4) and (25) are plastic members having the same shape, and are installed in the front-rear direction across the left and right ends of the first and second frame bodies (22) and (23). The front and rear end portions of the second and third frame bodies (23) and (24) form corner portions of the frame member (20). Also, as shown in FIG.
And the lower surfaces (24a) of the fourth frame bodies (24), (25),
(25a) is curved upward toward the outer side in the horizontal direction, and the first and second frame bodies (2
Similar to 2) and (23), the surface is an uneven decorative surface.

The third and fourth frame bodies (24),
The first and second panel reinforcing members (2
6) and (27) are arranged respectively. Each of the panel reinforcing members (26) and (27) has a mounting flange (26a) formed by bending the outer edge thereof, as shown in FIG.
(27a) is provided, and this mounting flange (26
a) and (27a) are the third and fourth frame bodies (24) and (2).
5) Screwed to the inside of the upper surface of each frame body (2
The rigidity of 4) and (25) is secured, and thus the rigidity of the entire surface panel (4) is secured.

On the other hand, the bottom plate (21) is installed between the panel reinforcing members (26) and (27), and has flange portions (21a) and (21) extending horizontally in front and rear edges thereof.
b) is formed. And this flange part (21
a) and (21b), the reinforcing members (26),
It is attached to the frame member (20) via (27).
Therefore, the bottom plate (21) constitutes a part of the downward blowout port (11) with the first frame body (22), and the blowout grill (9) is formed in a space portion formed thereby. )
And a swing flap (9a) is attached (see FIG. 9). Further, the bottom plate (21) is the second frame body (23).
The suction grille (8) and the filter (8a) are attached to a space formed by the suction mouth (12) (see FIG. 9). Further, between the bottom plate (21) and the second frame body (23),
A third panel reinforcing member (28) extending in the front-rear direction is installed. The third panel reinforcing member (28) is disposed at the left end of the suction port (12) at a position spaced apart from the second panel reinforcing member (27) by a predetermined distance, and the third panel reinforcing member (28) is provided on the left side of the third member.
A screw space (29) is formed.

The characteristic structure of this embodiment is the temporary mounting structure of the front panel (4). Hereinafter, this temporary mounting structure will be described. This temporary hanging structure is provided on the first panel reinforcing member (26) and the third panel reinforcing member (28). First, the temporary hanging structure provided on the first panel reinforcing member (26) will be described. . As shown in FIGS. 1 to 3, the first latch member (3) is provided in the vicinity of the connection position of the first panel reinforcing member (26) with the bottom plate (21).
0) is provided. This first latch member (30) is
As shown in FIG. 4, a metal wire rod is formed by bending, and includes a horizontal portion (30a) supported by the first panel reinforcing member (26), and the inside of the horizontal portion (30a) (see FIG. Four
On the left side of (a) and (b), there are a vertical portion (30b) extending vertically upward from the inner end thereof, and a hook portion (30c) formed by being folded back in a substantially U shape at the upper end of the vertical portion (30b). Are formed. On the other hand, a retaining portion (30d) is formed outside the horizontal portion (30a) and has a small dimension and is bent so that the extension direction is different from that of the vertical portion (30b). In addition, a holding portion (30e) that is slightly curved upward is formed at a substantially central portion in the longitudinal direction of the horizontal portion (30a). On the other hand, as shown in FIG. 1, the first panel reinforcing member (26) is provided with downward flange portions (26b) and (26c) extending downward at the left and right side edges of the first panel reinforcing member (26). Latch mounting portions (26d) and (26e) are formed on 26b) and (26c), respectively. A latch mounting portion (26
(d) has an opening at the upper end of the downward flange (26b) located on the inner side, the opening having substantially the same size as the diameter of the first latch member (30). On the other hand, front panel (4)
The latch mounting part (26e) located on the outer side in the left-right direction of
The horizontal portion (26f) of the first panel reinforcing member (26) is cut into a substantially U-shape, and a small piece (26g) formed by the cut is folded downward, and this small piece (26
At the upper end of g), a long hole penetrating in the left-right direction and extending in the vertical direction is opened. The left and right latch mounting portions (26d) and (26e) are used to connect the first latch member (3
0) is supported, the first latch member (3
Since the horizontal part (30a) of 0) is held,
The first latch member (30) can be rotated within a predetermined angle range about the horizontal portion (30a) as a rotation center (see FIG. 3). Further, in the horizontal portion (26f) of the first panel reinforcing member (26), the first latch member (30).
A recessed portion (26h) recessed upward is formed at a position corresponding to the holding portion (30e), and the holding portion (30e) is fitted into the recessed portion (26h).

Next, the temporary hanging structure provided on the third panel reinforcing member (28) will be described. As shown in FIGS. 5 to 7, also in the third panel reinforcing member (28), the second latch member (31) is arranged in the vicinity of the connection position with the bottom plate (21). This second latch member (31)
Has a shape substantially similar to that of the first latch member (30) attached to the first panel reinforcing member (26) described above,
As shown in FIG. 8, a metal wire rod is bent and formed, and a horizontal portion (31a), a vertical portion (31b), a hook portion (31c), a retaining portion (31d), and a holding portion (31e).
Is equipped with. The second latch member (31) has a stepped portion (31f) between the horizontal portion (31a) and the vertical portion (31b). On the other hand, as shown in FIG. 5, the third panel reinforcing member (28) has downward flange portions (28a), (28b) extending downward at both left and right edges thereof.
The downward flange portions (28a), (28
Batch mounting portions (28c) and (28d) are formed in b). These latch mounting portions (28c), (28d)
Is formed at the upper ends of the downward flanges (28a) and (28b) with an opening having substantially the same size as the diameter of the second latch member (31). The opening of the latch mounting portion (28c) on the outer side in the width direction of the front panel (4) is a long hole extending in the vertical direction. Then, the left and right latch mounting portions (28c) and (28d) are used for the second latch member (3
In the state in which 1) is supported, the second latch member (3
By holding the horizontal part (31a) of 1),
The second latch member (31) can be rotated within a predetermined angle range with the horizontal portion (31a) as a rotation center. In addition, the horizontal portion (28) of the third panel reinforcing member (28)
e), the holding portion (31) of the latch member (31)
The recess (28f) is formed at a position corresponding to (e), and the holding portion (31e) is fitted into the recess (28f). In addition, each of the recesses (26h) described above,
(28f) may be an opening instead of the recessed portion.

Next, the installation work of the ceiling-embedded air conditioner (1) in this embodiment will be described. First, when assembling the front panel (4), each frame (22)
(25) are assembled in a rectangular shape to form a frame member (20). Then, the first and second panel reinforcing members (26) and (27) are provided on the inner edges of the third and fourth frame bodies (24) and (25).
With a screw, and a bottom plate (21) is erected on the first and second panel reinforcing members (26) and (27).
A third panel reinforcing member (28) is screwed between the bottom plate (21) and the second frame body (23) at a position corresponding to the left end of the downward air outlet (11). In this state, the latch members (30), (31) are assembled to the first and third panel reinforcing members (26), (28). This assembling work will be described. When assembling the first latch member (30) to the first panel reinforcing member (26), first, the first latch member (30) is at its lower end, that is, the retaining portion (30d). ) To the opening of the inner latch mounting portion (26d). afterwards,
The retaining portion (30d) is attached to the outer latch mounting portion (26e).
Assemble it to the retaining part (3
0d) by rotating the first latch member (30) so that its extension direction becomes the vertical direction, and by horizontally moving the retaining portion (30d) into the elongated hole of the outer latch mounting portion (26e). insert. After that, when the first latch member (30) is placed in the upright state as shown in FIG. 1, the retaining portion (30d) is in contact with the outer side surface of the small piece (26g) and the vertical portion (3).
The lower end of the first latch member (30) is brought into contact with the outer surface of the inner downward flange portion (26b).
Is assembled without falling off from the first panel reinforcing member (26). On the other hand, when assembling the second latch member (31) to the third panel reinforcing member (28), the third panel reinforcing member (28) is likewise assembled so as not to fall off. Then, in this state, the holding portions (30e), (31e) of the latch members (30), (31) are held by the panel reinforcing members (26), (27), and the standing state is held. There is.

When the air conditioner (1) is attached to the ceiling (2), the air conditioner main body (3) is supported on the structure above the ceiling through the support bolts, and then the air conditioner is installed. Attach the front panel (4) to the body (3). When the front panel (4) is attached, the front panel (4) is lifted and the hook portions (30c) and (31c) of the latch members (30) and (31) are attached to the air conditioner body (3). It is locked to the side locking member (18a). As a result, the front panel (4) is temporarily suspended and suspended by the locking member (18a). Therefore, if the front panel (4) side is fixed to the fixing bracket (3a) on the air conditioner main body (3) side with screws, the assembly of the front panel (4) is completed as shown in FIG. Thus, the installation work of the air conditioner (1) is completed. Further, at this time, when the front panel (4) is rotated in a horizontal plane in order to finely adjust the position of the front panel (4), each latch member (3) is rotated along with the rotation.
0) and (31) will be swung back and forth,
Hook parts (30c) of the latch members (30), (31),
Since the (31c) and the locking portion (18a) of the air conditioner body (3) are in point contact with each other, the hook portion (30)
c) and (31c) do not hinder the rotation of the front panel (4), and the workability of the front panel position adjustment is improved and the rotation area is expanded.

As described above, according to the structure of this embodiment, the latch members (30) and (31) are connected to the horizontal engaging portion (30).
a) and (31a), the panel reinforcing member (26),
Since it is assembled to (28), there is no part that projects downward due to its rotation. Therefore, the seal is located at a position close to the latch members (30) and (31). Other members such as materials and filters (8a) can be arranged, and the height dimension of the air conditioner as a whole can be reduced. In addition, the retaining members (30d) and (31d) are used to connect the latch member (3
0) and (31) do not accidentally fall out of the panel reinforcing members (26) and (28), and workability can be improved.

In this example, the latch members (30), (3
Although 1) is attached to the first panel reinforcing member (26) and the third panel reinforcing member (28), the present invention is not limited to this, and may be attached to the second panel reinforcing member (27). Good.

[0025]

As described above, according to the present invention, the following effects are exhibited. According to the invention as set forth in claim 1, since the latch member is assembled to the front panel by the horizontal engaging portion extending in the horizontal direction, there is no portion protruding downward as the latch member rotates. Therefore, another member such as a seal member can be arranged at a position close to the latch member, the height dimension of the surface panel can be reduced, and the air conditioner can be made thin.

According to the second aspect of the invention, when the latch member is assembled to the reinforcing member of the front panel, the retaining portion abuts the side surface of the reinforcing member. As a result, the latch member does not accidentally fall off the front panel, and the workability of attaching the front panel can be improved.

According to the third aspect of the present invention, since the tip of the hook portion is in contact with the main body of the air conditioner when the latch member is engaged with the main body of the air conditioner, the surface panel is in a horizontal plane. When the position is adjusted by the rotation of, the rotation of the surface panel is not hindered, and the position adjustment area can be expanded.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a latch member is attached to a first panel reinforcing member.

FIG. 2 is a view of a state in which a latch member is attached to the first panel reinforcing member, as viewed from below.

FIG. 3 is a side view showing a state where a latch member is attached to the first panel reinforcing member.

FIG. 4 is a view showing a first latch member.

FIG. 5 is a view corresponding to FIG. 1 of a third panel reinforcing member.

FIG. 6 is a view of a third panel reinforcing member corresponding to FIG. 2.

FIG. 7 is a view of the third panel reinforcing member corresponding to FIG.

FIG. 8 is a view showing a second latch member.

FIG. 9 is a vertical sectional view of the air conditioner.

FIG. 10 is a perspective view in which a part of the air conditioner is omitted.

FIG. 11 is a plan view of the front panel viewed from the air conditioner body side.

12 is a sectional view taken along line XII-XII in FIG.

13 is a sectional view taken along line XIII-XIII in FIG.

14 is a cross-sectional view taken along line XIV-XIV of FIG.

FIG. 15 is a perspective view showing a conventional temporary hanging state.

FIG. 16 is a perspective view showing a conventional latch.

[Explanation of symbols]

 (1) Ceiling embedded air conditioner (2) Ceiling (2a) Opening (3) Air conditioner body (4) Surface panel (6) Fan (7) Heat exchanger (8) Suction grille (9) Blowout grill (11) Downward air outlet (air outlet) (12) Suction port (26) First panel reinforcing member (28) Third panel reinforcing member (30) First latch member (31) Second latch member (30a) , (31a) horizontal part (30c), (31c) hook part (30d), (31d) retaining part

Claims (3)

[Scope of utility model registration request] 1. An opening (2a) formed in a ceiling (2).
And a fan (6) for blowing and a heat exchanger (7) are housed inside and an air inlet (1
2) and an air conditioner body (3) having an air outlet (11) opened, and attached to the lower side of the air conditioner body (3),
Ceiling embedding consisting of a surface panel (4) with an intake grill (8) located below the air inlet (12) and an outlet grill (9) located below the air outlet (11). In the embedded air conditioner, the surface panel (4) includes
A latch member (30) for temporarily hooking the air conditioner main body (3) at the time of attachment to the air conditioner main body (3),
(31) is provided, and the latch members (30), (3
1) is provided with hook portions (30c) and (31c) engaged with the air conditioner main body (3) at the upper end portion thereof, and extends from the lower end of the hook portions (30c) and (31c) in the horizontal direction to the surface. A horizontal engaging portion (30a) assembled to the panel (4),
(31a), the horizontal engaging portion (30a),
A ceiling-embedded air conditioner, which is configured to be rotatable with respect to the surface panel (4) around (31a) as a rotation center. 2. The latch members (30), (31) are assembled to the reinforcing members (26), (28) provided on the surface panel (4), and the latch members (30), (31) are attached. The one end of each of the horizontal engaging portions (30a) and (31a) has a retaining portion that comes into contact with the side surfaces of the reinforcing members (26) and (28) when assembled to the reinforcing members (26) and (28). (30
The ceiling embedded air conditioner according to claim 1, wherein d) and (31d) are formed. 3. The latch members (30), (31) are formed by bending a wire rod, and hook portions (30c), (31c) are formed.
The ceiling-embedded air conditioner according to claim 1 or 2, wherein a tip of the air conditioner is in contact with and engaged with the air conditioner body (3).